What is the replacement for E32Dll and TDllReason?

[jhnlmn]

So I read that TDllReason is not defined anymore
and DLL entry point is not needed.

But what if I need an entry point and Reason
to initialize/uninitialize some stuff?

What is the alternative to the old and trusted
E32Dll(TDllReason), which is used in too many DLLs?

Thank you
John

[stenlik]

Hi,
I don't know if you had the same problem as me, but try look here
http://discussion.forum.nokia.com/fo...ad.php?t=80742
Bye
STeN

[jhnlmn]

No, I don't think EPOCCALLDLLENTRYPOINTS
is applicable because the whole E32Dll along with TDllReason
was removed from EKA2 (S60 3rd ed).

And it is not clear what it should be replaced with.

[stichbury]

You don't need to replace it, but can just remove it.

[jhnlmn]

> You don't need to replace it, but can just remove it.

Thank you, but this is not an answer, sorry.

DLLs often need to initialize certain per-process data
when loaded or unloaded and most OS provide
a mean to do that. Symbian used to have E32Dll(TDllReason), but now it is removed without
any alternative given.

[stichbury]

Sorry, I didn't read your first post properly - I understand now that you want an alternative to the entry point for initialization.

I think lack of an equivalent probably reflects the view that initialization should be owned by something (ie there should be a top-level object responsible which must be created to perform initialization before other classes and methods exported from the class are used. If there isn't an owning class, initialization is pretty limited to global data anyway.

However, if it's a polymorphic (interface) dll, you do have the "gate" function to do perform initialization.

[jhnlmn]

Thank you for your answer.

>However, if it's a polymorphic (interface) dll,
>you do have the "gate" function to do perform initialization.

In this trivial case I wouldn't have had the problem
and wouldn't have posted this question.

I really appreciate your answers,
but, please, don't waste your time posting obvious
suggestions, such as to redesign the code to have
clients explicitly call the DLL to initialize
and uninitialize.

The purpose of this post was to confirm whether
Symbian, indeed, eliminated DLL entry point
and there is no alternatives provided by the OS.

The documentation for S60 3rd ed is a total mess:
it was only partially updated. You can still see such
statements as "The E32Dll() function is required by all DLLs;"

So, I thought I would ask the forum to double check.